Home / 105,429.43-145,496.24-57,682.77

Finding the Fourth Proportional to 105,429.43, 145,496.24 and 57,682.77

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Solution

The fourth proportional to 105,429.43, 145,496.24 and 57,682.77 is: 79,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,429.43 : 145,496.24 = 57,682.77 : x
  2. Step 2: Convert to fraction form
    105,429.43/145,496.24 = 57,682.77/x
  3. Step 3: Cross multiply
    105,429.43x = 145,496.24 × 57,682.77
  4. Step 4: Simplify right side
    105,429.43x = 8,392,626,291.99
  5. Step 5: Solve for x
    x = 8,392,626,291.99/105,429.43
  6. Step 6: Final answer
    x = 79,604.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.